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Extract from the Register of European Patents

EP About this file: EP3979464

EP3979464 - WIRELESS OPTICAL CHARGING SYSTEM AND CHARGING METHOD THEREOF [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  04.03.2022
Database last updated on 02.09.2024
FormerThe international publication has been made
Status updated on  05.12.2020
Most recent event   Tooltip28.03.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Industry Academy Cooperation Foundation Of Sejong University
209 Neungdong-ro
Gwangjin-gu
Seoul 05006 / KR
[2022/14]
Inventor(s)01 / HA, Jin Yong
209, Neungdong-ro Gwangjin-gu
Seoul 05006 / KR
02 / LIM, Jae Yeong
602ho 106dong, 54, Hamsong-ro 29beon-gil
Siheung-si, Gyeonggi-do 15019 / KR
03 / KHAWAJA, Tariq Shamim
209, Neungdong-ro Gwangjin-gu
Seoul 05006 / KR
 [2022/14]
Representative(s)Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte
Am Brauhaus 8
01099 Dresden / DE
[2022/14]
Application number, filing date20813146.603.03.2020
[2022/14]
WO2020KR02978
Priority number, dateKR2019006113524.05.2019         Original published format: KR 20190061135
[2022/14]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020242020
Date:03.12.2020
Language:KO
[2020/49]
Type: A1 Application with search report 
No.:EP3979464
Date:06.04.2022
Language:EN
[2022/14]
Search report(s)International search report - published on:KR03.12.2020
(Supplementary) European search report - dispatched on:EP24.05.2023
ClassificationIPC:H02J50/30, G02B5/12, G02B5/18, G02B26/08, G02B27/10, G02B27/30
[2023/25]
CPC:
G02B27/30 (EP,KR,US); H02J50/30 (EP,KR,US); G02B26/0808 (KR,US);
G02B26/0816 (EP,US); G02B27/1086 (EP); G02B5/12 (EP);
G02B5/18 (KR); H01S3/139 (EP); H01S5/14 (EP);
H01S5/141 (EP); G02B2005/1804 (KR); H01S3/08 (EP);
H01S3/08059 (EP); H01S3/0815 (EP); H01S3/1305 (EP) (-)
Former IPC [2022/14]H02J50/30, G02B5/18, G02B27/30, G02B26/08
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2022/14]
TitleGerman:DRAHTLOSES OPTISCHES LADESYSTEM UND LADEVERFAHREN DAFÜR[2022/14]
English:WIRELESS OPTICAL CHARGING SYSTEM AND CHARGING METHOD THEREOF[2022/14]
French:SYSTÈME DE CHARGEMENT OPTIQUE SANS FIL ET PROCÉDÉ DE CHARGEMENT S'Y RAPPORTANT[2022/14]
Entry into regional phase30.04.2021Translation filed 
30.04.2021National basic fee paid 
30.04.2021Search fee paid 
30.04.2021Designation fee(s) paid 
30.04.2021Examination fee paid 
Examination procedure30.04.2021Examination requested  [2022/14]
27.12.2023Amendment by applicant (claims and/or description)
Fees paidRenewal fee
08.03.2022Renewal fee patent year 03
13.03.2023Renewal fee patent year 04
27.03.2024Renewal fee patent year 05
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Documents cited:Search[XI]  - ZHANG QINGQING ET AL, "Adaptive Distributed Laser Charging for Efficient Wireless Power Transfer", 2017 IEEE 86TH VEHICULAR TECHNOLOGY CONFERENCE (VTC-FALL), IEEE, (20170924), doi:10.1109/VTCFALL.2017.8288143, pages 1 - 5, XP033319745 [X] 1 * the whole document * [I] 2-15

DOI:   http://dx.doi.org/10.1109/VTCFall.2017.8288143
 [XI]  - XIONG MINGLIANG ET AL, "TDMA in Adaptive Resonant Beam Charging for IoT Devices", IEEE INTERNET OF THINGS JOURNAL, IEEE, USA, (20190201), vol. 6, no. 1, doi:10.1109/JIOT.2018.2863232, pages 867 - 877, XP011711649 [X] 1 * the whole document * [I] 2-15

DOI:   http://dx.doi.org/10.1109/JIOT.2018.2863232
 [XPI]  - JAEYEONG LIM ET AL, "Wireless optical power transfer system by spatial wavelength division and distributed laser cavity resonance", OPTICS EXPRESS, (20190524), vol. 27, no. 12, doi:10.1364/OE.27.00A924, page A924, XP055753782 [XP] 1,2,4-6,9,10,12 * the whole document * [I] 3,7,8,11,13-15

DOI:   http://dx.doi.org/10.1364/OE.27.00A924
International search[Y]KR20090116464  (KYUNGPOOK NAT UNIV IND ACAD [KR]) [Y] 8-9, 11, 13-15, 21-23* [0021]-[0022], [0068] 1, 5 *;
 [Y]US2014333986  (MCCALLION KEVIN J [US]) [Y] 4, 8-9, 11, 14-15 , 21-23 * [0059]-[0073] 5-6 *;
 [Y]JP2017216371  (NICHIA KAGAKU KOGYO KK) [Y] 2-4, 8-11, 13-15 , 22-23 * [0010]-[0018] 1-4 *;
 [Y]JP2018522421  (WI-CHARGE LTD.) [Y] 2-4, 8-11, 13-15, 18 , 23 * [0027]-[0038], [0066], [0083]-[0084] *;
 [XYA]  - QINGQING ZHANG, "Adaptive Distributed Laser Charging for Efficient Wireless Power Transfer", 2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), (20180212), vol. 2, pages 2 - 3, XP055770110 [X] 1, 17, 19 [Y] 2-4, 8-11, 13-15, 18 , 21-23 [A] 5-7, 12, 16, 20

DOI:   http://dx.doi.org/10.1109/VTCFall.2017.8288143
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.